Oral irrigator



FIG. 1 is a perspective view of an oral irrigator;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is an enlarged top plan view thereof;

FIG. 6 is an enlarged bottom plan view thereof;

FIG. 7 is a rear view thereof;

FIG. 8 is an 8—8 cross-sectional view showing an outline thereof withoutinternal structure;

FIG. 9 is a left side view showing an opened state of a tank lidthereof;

FIG. 10 is a perspective view showing an extended state of a tank unitthereof;

FIG. 11 is a front view showing an extended state of the tank unitthereof;

FIG. 12 is a right side view showing an extended state of the tank unitthereof;

FIG. 13 is a left side view showing an extended state of the tank unitthereof;

FIG. 14 is an enlarged top plan view showing an extended state of thetank unit thereof;

FIG. 15 is an enlarged bottom plan view showing an extended state of thetank unit thereof;

FIG. 16 is a rear view showing an extended state of the tank unitthereof;

FIG. 17 is a 17—17 cross-sectional view showing an outline thereofwithout internal structure; and,

FIG. 18 is a reference perspective view showing an extended state of thetank unit with a nozzle.

The broken line showing the nozzle of the oral irrigator is included forthe purpose of illustrating environmental structure and forms no part ofthe claimed design.

The ornamental design for an oral irrigator, as shown and described.